______,Lightly grease and flour the paper.,In a medium bowl, combine the flour, cinnamon, baking powder, ginger, nutmeg and salt.,In a separate bowl, beat the granulated sugar and eggs until light and fluffy, about 5 minutes.,Mix in the pumpkin until combined.,Slowly add the dry ingredients to the pumpkin mixture.,Pour the batter out onto the prepared jelly-roll pan.,Drop the pan twice on the counter to even out the batter and release any bubbles.,Bake for 15 minutes.,Meanwhile, dust a dishtowel with the confectioners' sugar.,Immediately transfer the cake to the powdered dishtowel and gently roll from one short end to the other.,Refrigerate on a pan or plate until completely cool, about 2 hours.,For the filling: Combine the confectioners' sugar, cream cheese, butter and vanilla.,Beat until light and fluffy.,Unroll the cake and spread with the filling.,Re-roll the cake and wrap with plastic wrap for 1 to 2 hours.,Dust with confectioners' sugar before serving.